Which Democratic US Senator set a record for margin of victory with 71.2% in the 2004 election only to be surpassed by Kirsten Gillibrand's 72% of the vote  in 2012?
Chuck Schumer
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2004 United States Senate election in New York
15573950
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2004 United States Senate election in New York
15573950
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2004 United States Senate election in New York
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Kirsten Gillibrand
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